GeoSierra is best known for our Trenchless PRB Placement technology for installing permeable reactive barriers (PRBs). In addition to Trenchless PRBs we are leveraging our technology and highly specialized groundwater expertise to tackle other difficult groundwater cleanup problems such as source remediation in fractured bedrock, remediation of stagnant plumes in fat ...

THE CLIMATE REGISTRY is a nonprofit collaboration among North American states, provinces, territories and Native Sovereign Nations that sets consistent and transparent standards to calculate, verify and publicly report greenhouse gas emissions into a single registry.

Founded in 1971, the Portable Sanitation Association International is a non-profit trade association serving the portable sanitation industry. PSAI membership is composed of two types of members, Portable Restroom Operators and Associates which include manufacturers of portable restrooms/toilets, restroom trailers, trucks, deodorizers, supplies, and services.

More than 34 years ago, Quadna, Inc. was founded as an Arizona fluid-handling distributor. Today, the Phoenix, Ariz.–based company has nine branches in six states and Mexico and is one of the leading suppliers of fluid handling systems in the U.S. Quadna is recognized globally for its system application expertise. Using state-of-the-art industrial equipment produced by ...

LGC Standards offers a wide range of environmental reference standards and matrix materials for organic and inorganic analysis of typical environmental samples. Organic standards include the full range of contaminants as well as isotope-labelled versions of these compounds. We can also supply a variety of inorganic standards for ICP, AA, XRF and ion chromatography ...

IRUA was formed established in 1986 with the aim of manufacturing high-quality valves for water applications. Air and control valves quickly became the company`s main products, always manufactured in accordance with AWWA standards (American Water Works Association). Today, IRUA has a highly-qualified workforce with many years of experience.As a result of the ...

AcuTech Scientific Inc. specializes in the development, manufacturing, and applications in analytical instruments. The company designs, manufactures and markets advanced spectral instruments including the full line of bench top AcuScan 1200, AcuScan1500, and Robotic X,Y,Z control, SERS, 96 well and 384 well Raman plate reader. With over 45 years of experience in ...

We provide our clients with reliable, timely environmental data gathered and presented with the highest technical and ethical standards and with the least interruption to our client`s business goals. We utilize the latest equipment and technology and work with project team members who share in our core values. We provide our employees the respect, personal protection, and ...